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VARVARA [1.3K]
3 years ago
13

The graph above represents a object moving

Physics
1 answer:
Len [333]3 years ago
3 0

The object's velocity is positive and decreasing.

Its acceleration is negative.

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a rocket with a lift of mass 20 000kg is blasted upwards with an initial acceleration of 5.0m/s². calculate the initial thurst(f
gavmur [86]

Answer:

Mass of the rocket, m = 20,000 kg Initial acceleration, a = 5 m/s Acceleration due to gravity, g = 10 m/s Using Newton’s second law of motion, the net force (thrust) acting on the rocket is given by the relation: F – mg = ma F = m ( g + a ) = 20000 × (10 + 5) 

Explanation:

6 0
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Which observer would hear the louder sound?<br> a. The woman<br> C. They both do<br> b. The man
egoroff_w [7]

Answer:

B

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8 0
4 years ago
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Phoenix [80]

You haven't told us what any of those letters represents.

I'm going to assume that ...

-- ' P ' = power

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Now I'm ready to answer the question that I just invented.

P = I / V

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Both of these are false statements, and can't be used to calculate anything.

P = I x V   is the correct equation to calculate electrical power.

<em>E = P x t</em>   is the correct equation to calculate electrical energy.

3 0
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Svetlanka [38]

Answer:

It is cause by radiation that's the answer

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